Tomás Méndez (born Tomás Méndez Sosa; July 25, 1927 – June 19, 1995) was a Mexican composer and singer of ranchera music. He was born in Fresnillo, Zacatecas, Mexico. He became famous in the 1950s due to his partnership with singer Lola Beltrán. Their first song together was Gorrioncillo Pecho Amarillo in 1954, and they continued to create further hits such as Cucurrucucú paloma, Tres días, and Bala Perdida. He died in Mexico City on 19 June 1995.

The song Cucurrucucú paloma was played in many movies such as The Last Sunset, Happy Together, Talk to Her and The Five Year Engagement and has also been covered by notable singers such as Harry Belafonte, Perry Como, and Caetano Veloso.